82845MP Datasheet, PDF (33/157 Pages) Intel Corporation – Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)

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Intel^® 82845MP/82845MZ Chipset-Mobile (MCH-M)
Table 15. DDR Signals
Buffer
Type/IO
Signal
Type
SCK#[5:0]
SM common O
State
During
RSTIN#
Assertion
TRI
SCK[4:0]
SM common O
TRI
SCK[5]
SM common O
SCKE[3:0]
SM common O
SDQ[63:59] SM common I/O
SDQ[58]
SM common I/O
SDQ[57:56] SM common I/O
SDQ[55]
SM common I/O
SDQ[54:0]
SM common I/O
SCB[7:0]
SM common I/O
SDQS[8:0] SM common I/O
RCVENIN# SM common I
RCVENOUT# SM common O
SBS[1:0]
SM common O
SRAS#
SM common O
SWE#
SM common O
SCAS#
SM common O
SMA[12:0]
SM common O
SCS#[3:0]
SM common O
TRI
DRIVE L
PU
PU
PU
PU
PU
PU
TRI
IN
TRI
TRI
TRI
TRI
TRI
TRI
TRI
State After
C3
S1M
S3
RSTIN#
Deassertion
DRIVE
DRIVE
DRIVE
DRIVE L
PU
PU
PU
PU
PU
PU
TRI
IN
Drive H
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
Drive H
Don’t
care
Don’t
care
L
L
Hi-Z
L
Hi-Z
L
Hi-Z
Hi-Z
Hi-Z
Hi
Hi
Hi-Z
Hi-Z
L
Hi-Z
Hi-Z
Hi-Z
Don’t
care
Don’t
care
L
L
Hi-Z
L
Hi-Z
L
Hi-Z
Hi-Z
Hi-Z
Hi
Hi
Hi-Z
Hi-Z
L
Hi-Z
Hi-Z
Hi-Z
Don’t care
Don’t care
L
L
PU or PD *
L
PU or PD *
L
PU or PD *
PU or PD *
PU or PD *
Don’t care
PU or PD *
PU or PD *
PU or PD *
L
PU or PD *
PU or PD *
PU or PD *
S4-S5
G3
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
Pwrdn
* There is an indeterminate number of non-CKE DDR pins that will be pull-down in S3.
250687-002
Datasheet
33